SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: 24stroke on June 18, 2013, 10:34:23 AM

Title: Over pressuring think lower end at higher rpm
Post by: 24stroke on June 18, 2013, 10:34:23 AM

have a stock 460 ,Berk Jet,20.5 eliminator sport cruiser,Runninup the river at 4800 rpm for a longest period i have ran the boat that hard,and it seeems that oil is spewin out of both breathers on the motor valve covers,all over,almosty sounded like all the oil was trapped up top for a minute,motor started sounding funny so i let it down to 3 k and came back around,is that over psi the lower unit,do i need a oil tank?or is this another issiue ?also Stock oil pan

Title: Re: Over pressuring think lower end at higher rpm
Post by: berkbryan on June 18, 2013, 11:40:52 AM

How old is the engine at high rpms you are going to get blow by that's why people run puke tanks

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Title: Re: Over pressuring think lower end at higher rpm
Post by: wetnwild on June 18, 2013, 07:25:16 PM

Probably worn rings , take a compression check


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